68651-46-7

68651-46-7 structure
68651-46-7 structure

Name Indigo dye
Synonyms Indigo Blue
EINECS 207-586-9
3H-Indol-3-one, 2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-, (2E)-
Blue No 201
Indigotin
Vat Dark Blue VB
D&C Blue No. 6
[δ2,2'-Biindoline]-3,3'-dione
C.I. Pigment Blue 66
Indigo dye
D2,2'-Bipseudoindoxyl
[D2,2'-Biindoline]-3,3'-dione
δ2,2'-Bipseudoindoxyl
MFCD00005722
Indigo
(2E)-2-(3-Oxo-1,3-dihydro-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
Density 1.4±0.1 g/cm3
Boiling Point 400.4±45.0 °C at 760 mmHg
Molecular Formula C16H10N2O2
Molecular Weight 262.263
Flash Point 158.2±28.9 °C
Exact Mass 262.074219
LogP 3.72
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.709